CVE-2021-21739
Medium
Description
A ZTE's product of the transport network access layer has a security vulnerability. Because the system does not sufficiently verify the data reliability, attackers could replace an authenticated optical module on the equipment with an unauthenticated one, bypassing system authentication and detection, thus affecting signal transmission. This affects: <ZXCTN 6120H><V5.10.00B24>
SeverityMedium
CVSS4.6
Exploit probability—
ProductZte Zxctn 6120h Firmware
PublishedAug 5, 2021
First seenAug 5, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zte zxctn_6120h_firmware | 5.10.00b24 | — |
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